The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before...

Vulnerability Description

The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack memory by reading uninitialized data in the ah field of an Acorn Universal Networking (AUN) packet.

References

• http://marc.info/?l=linux-netdev&m=130036203528021&w=2
• http://www.openwall.com/lists/oss-security/2011/03/18/15
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=67c5c6cb8129c595f21e88254a3fc6b3b841ae8e
• http://securityreason.com/securityalert/8279
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
• https://bugzilla.redhat.com/show_bug.cgi?id=591815#c14
• http://www.openwall.com/lists/oss-security/2011/03/21/4
• http://www.openwall.com/lists/oss-security/2011/03/21/1